-2y-30=40

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Solution for -2y-30=40 equation: 


Simplifying
-2y + -30 = 40

Reorder the terms:
-30 + -2y = 40

Solving
-30 + -2y = 40

Solving for variable 'y'.

Move all terms containing y to the left, all other terms to the right.

Add '30' to each side of the equation.
-30 + 30 + -2y = 40 + 30

Combine like terms: -30 + 30 = 0
0 + -2y = 40 + 30
-2y = 40 + 30

Combine like terms: 40 + 30 = 70
-2y = 70

Divide each side by '-2'.
y = -35

Simplifying
y = -35

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